Femoral component placement changes soft tissue balance in posterior-stabilized total knee arthroplasty

Muratsu, Hirotsugu; Matsumoto, Tomoyuki; Kubo, Seiji; Maruo, Akihiro; Miya, Hidetoshi; Kurosaka, Masahiro; Kuroda, Ryosuke

doi:10.1016/j.clinbiomech.2010.06.020

Cited by 87 publications

(78 citation statements)

References 29 publications

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“…Preoperative coronal alignment was 10.9°±0.5°varus in the CR group and 9.5°±1.1°varus in the PS group, indicating no significant differences. Offset-type TKA tensor As previously described [2][3][4]7], the tensor consists of three parts: an upper seesaw plate, a lower platform plate with a spike, and an extra-articular main body (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

“…This tensor permits intraoperative reproduction and postoperative alignment of the PF and tibiofemoral joints. This tensor design, initial intraoperative soft-tissue-balance measurement and its clinical relevance in TKA have been described previously [2][3][4][5][6][7]. In those studies, soft-tissue-balance measurements were performed using only the measured-resection technique.…”

Section: Introductionmentioning

confidence: 99%

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Soft-tissue balancing in total knee arthroplasty: cruciate-retaining versus posterior-stabilised, and measured-resection versus gap technique

Matsumoto

Muratsu

Kawakami

et al. 2013

International Orthopaedics (SICOT)

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Purpose The purpose of this study was to prove the hypothesis that soft tissues are well balanced using the gap technique with a navigation system in cruciate-retaining (CR) and posterior-stabilised (PS) total knee arthroplasty (TKA), leading to better clinical outcomes compared with the measuredresection technique. Methods One hundred and thirty-five TKAs (90 CR and 45 PS) were performed in patients with varus-type osteoarthritis using the gap technique guided by the offset-type tensor and a navigation system. Soft-tissue balance (joint-component gap and ligament balance) were intraoperatively assessed with the tensor under 40 lb of joint-distraction force. The achievement in the equalised rectangular gap at extension and flexion was assessed and retrospectively compared with the previous series in which the measured-resection technique was used (20 CR and 100 PS TKAs). In addition, clinical outcomes, including range of motion and Knee Society Score were assessed at a minimum two year follow-up. Results In achieving equalised rectangular gaps at extension and flexion, CR TKAs met criteria in more cases [66.7 % (64/90) vs.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Soft-tissue balancing in total knee arthroplasty: cruciate-retaining versus posterior-stabilised, and measured-resection versus gap technique

Matsumoto

Muratsu

Kawakami

et al. 2013

International Orthopaedics (SICOT)

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“…As the next step, accordingly, we focused on the difference in soft tissue balancing between the femoral trial component in place and the conventional osteotomized condition. In the intraoperative assessment of soft tissue balance, the joint gap showed significant decrease at extension, not flexion, after femoral trial prosthesis placement, and varus ligament balances were significantly reduced at extension and increased at flexion after femoral trial placement [36]. These changes at extension might be caused by the tensed posterior structures of the knee with the posterior condyle of the externally rotated aligned femoral trial.…”

Section: Soft Tissue Balance With Femoral Component In Placementioning

confidence: 93%

Soft Tissue Balance in Total Knee Arthroplasty

Matsumoto¹,

Muratsu²,

Kubo³

et al. 2012

Recent Advances in Hip and Knee Arthroplasty

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“…The MIS technique has been reported to increase the rate of component malalignment [13], however, there have been few reports regarding the actual rate of revision. Added to that, the rate of complications may reduced and the femoral component in place [22][23][24], the intraoperative kinematic pattern of soft tissue balance observed for MIS QS showed more varus imbalance compared with conventional TKA [25]. It is hypothesized that the limited working space in MIS QS TKA may compel surgeons to avoid a larger femoral component, and select larger bony cuts, which leads to difficulties in acquiring appropriate soft tissue balancing.…”

Section: Discussionmentioning

confidence: 99%

Early Loosening after Total Knee Arthroplasty with Minimal Incision Surgery: A Report of Two Cases and A Review of the Literature

Kubo¹

2013

Orthop Muscul Syst

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Advances in surgical techniques and equipment have recently encouraged the use of minimal incision surgery (MIS) in total knee arthroplasty (TKA). However several complications have been reported following MIS, among which, early loosening is one of the most serious issues. We report two cases that experienced early loosening of the tibial component within three months of surgery, and received revision surgery within three years of primary MIS TKA. The cases were compared with 50 other cases which received MIS TKAs by the same technique, and it was hypothesized the failures in the two relatively young patients may have been caused by virus implantation of the tibiae component and a large bony cut in the proximal tibia, possibly as a result of limited working space during surgeries.

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Femoral component placement changes soft tissue balance in posterior-stabilized total knee arthroplasty

Cited by 87 publications

References 29 publications

Soft-tissue balancing in total knee arthroplasty: cruciate-retaining versus posterior-stabilised, and measured-resection versus gap technique

Soft-tissue balancing in total knee arthroplasty: cruciate-retaining versus posterior-stabilised, and measured-resection versus gap technique

Soft Tissue Balance in Total Knee Arthroplasty

Early Loosening after Total Knee Arthroplasty with Minimal Incision Surgery: A Report of Two Cases and A Review of the Literature

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